US20100299871A1 - Sliding Door With Anti-Sway Trolley Assembly - Google Patents
Sliding Door With Anti-Sway Trolley Assembly Download PDFInfo
- Publication number
- US20100299871A1 US20100299871A1 US12/476,510 US47651009A US2010299871A1 US 20100299871 A1 US20100299871 A1 US 20100299871A1 US 47651009 A US47651009 A US 47651009A US 2010299871 A1 US2010299871 A1 US 2010299871A1
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- Prior art keywords
- partition
- floating rod
- trolley
- floor
- sway
- Prior art date
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- 238000005192 partition Methods 0.000 claims abstract description 90
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims 6
- 230000002401 inhibitory effect Effects 0.000 claims 3
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/48—Wings connected at their edges, e.g. foldable wings
- E06B3/481—Wings foldable in a zig-zag manner or bi-fold wings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
- E05D15/0621—Details, e.g. suspension or supporting guides
- E05D15/0626—Details, e.g. suspension or supporting guides for wings suspended at the top
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/142—Partition walls
Definitions
- This invention relates generally to sliding doors and in particular, to an anti-sway trolley assembly used with side folding accordion partitions.
- Side folding accordion partitions are used to provide space separation, often with the additional goal of providing one or more of security separation, sound control, and prevention of the spread of fire and smoke.
- Panels which form the partition are attached to ball bearing rollers which ride within a mounted overhead track.
- a lead panel is attached to a lead post which in turn is attached to a trolley having ball bearing rollers which also rides within the overhead track.
- a powered looped chain is attached to the trolley, thereby providing the mechanical action required to open and close the partition.
- the partitions may or may not be slidably mounted to a floor channel. Partitions slidably mounted to a floor channel ensure that the partitions remain in the vertical thereby keeping the sweep at the bottom of the partition in contact with the floor.
- the floor channel provides lateral stability to the door curtain during travel towards or away from the closed position.
- the present invention provides at least one anti-sway trolley assembly used in conjunction with either a single sided partition set or preferably sandwiched between an inner and outer partition in a double sided partition set.
- the anti-sway trolley assembly comprises a floating rod assembly affixed at a first end to a trolley. Affixed at a rod assembly second end is a floor contact member which provides frictional resistance to lateral displacement of the door.
- Each anti-sway trolley assembly rides in a chain guide and is affixed to a partition hinge. In this manner, a floor channel is not required to achieve resistance to lateral displacement forces.
- FIG. 1 is a side view of the sliding door of the present invention.
- FIG. 2 is a front view of a section of the sliding door of the present invention.
- FIG. 3 is a is a top view of an anti-sway trolley assembly, first partition side and second partition side.
- FIG. 4 is a cut-away perspective view of the anti-sway trolley.
- FIG. 5 is a cut-away perspective view of a partition/track arrangement.
- FIG. 6 is a cross sectional view of a lead post trolley engaged in a track.
- FIG. 7 is a cross sectional view of an anti-sway trolley assembly engaged in a chain guide.
- FIG. 8 is a perspective view showing a removed load section.
- FIG. 9 is a cut-away perspective view of a double sided partition set.
- FIG. 10 is a perspective view of a sliding partition within a door opening.
- anti-sway trolley assembly 2 comprises anti-sway trolley 4 , floating rod assembly 6 and bottom assembly 8 .
- Anti-sway trolley 4 comprises a plurality of trolley rollers 44 , preferably ball bearing rollers, which engage chain guide 46 at inner channel 68 as shown in FIG. 7 .
- Chain guide 46 and track 82 are mounted to a door opening.
- Trolley rollers 44 are mounted to trolley body 48 using, for example, bolt 24 and nut 26 .
- a portion of trolley body 48 is fabricated to receive floating rod first end 50 .
- floating rod first end receiving member 52 is affixed, for example, crimped, bolted or spot welded, to trolley body 48 to receive floating rod first end 50 .
- Horizontal bearings 70 are mounted to underside of trolley body 48 using bolt 24 and nut 26 ( FIG. 3 ). Horizontal bearings 70 are of sufficient diameter so as to extend beyond side of trolley body 48 to engage side walls of track chain guide 46 , thereby helping to center the anti-sway trolley assembly 4 within chain guide 46 .
- floating rod assembly 6 comprises down member 10 , preferably a hollow tube or bar.
- Floating rod assembly first end 50 is received by floating rod assembly first end receiving member 52 , described above.
- floating rod assembly first end receiving member 52 is, for example, a U shaped bracket.
- U shaped bracket receiving member 52 is affixed to floating rod assembly first end 50 for example, with a press fit, weld, or one or more bolt and nut.
- a plurality of hinges 60 are mounted to panels 62 .
- Each panel 62 is attached to roller 58 at its upper end. Rollers 58 alternate facing inward and outward to engage inner and outer walls of the track 82 outer channel ( FIG. 7 ).
- At least one panel 62 but preferably a plurality of panels 62 , comprises a partition side.
- At least one, preferably a plurality of orifices 17 are positioned along the length of floating rod assembly 6 and hinge 60 to receive a connector 14 , for example, a bolt 72 and acorn nut 74 , to connect floating rod assembly 6 to hinge 60 of a first partitions side 90 .
- a connector 14 for example, a bolt 72 and acorn nut 74
- the connectors 14 are spaced about every four feet.
- Floating rod assembly second end 54 adjustably receives bottom assembly 8 .
- lower floating rod assembly first member 30 is slidably received by floating rod second end 54 .
- Floating rod second end 54 contains orifices 12 to lock lower floating rod assembly first member 30 into position using fastener 64 to maintain the lower floating rod assembly first member 30 -floating rod assembly second end 54 relationship.
- Bottom assembly 8 is adjustably attached to lower floating rod assembly first member 30 so as to urge floor contact member 34 to remain in contact with the floor 36 thereby providing frictional lateral displacement resistance.
- spring 38 is loaded by lower floating rod assembly first member 30 and floor contact member 34 is a caster 40 . While the preferred embodiment utilizes a caster 40 , it should be appreciated that any floor contact member resistant to lateral displacement is acceptable, for example, a ribbed pad wherein the ribs are parallel to the partition sliding direction.
- door lead trolley assembly 100 rides within track 82 and chain guide 46 mounted to a door opening in conventional manner.
- Door lead trolley assembly 100 receives lead post 78 ( FIG. 9 ).
- Track 82 and striker 84 ( FIG. 8 ) are mounted in conventional manner.
- door lead trolley assembly 100 , anti-sway trolley assembly and panels 62 are translationally engaged into track 82 and chain guide 46 .
- Panels 62 are mounted to lead post 78 in conventional manner.
- Floating rod assembly 6 is translationally engaged into chain guide 46 as described above.
- Known removed load section, track 96 , and chain guide 97 also allows for ease of removal of component parts as necessary for servicing. Removable load section technology is well known and will not be described in further detail.
- chain pulley 86 is mounted within chain guide 46 in conventional manner. Chain is thereafter looped around chain pulley 86 and conventional power sprocket (not shown) remotely located from chain pulley 86 and attached to door lead trolley assembly 100 in conventional manner.
- the floor contact member 34 maintains continuous predetermined tension against the floor.
- the anti-sway trolley assembly 2 rolls in the chain guide 46 with the spring 38 loaded caster 34 continually urged in contact with the floor 36 , thereby providing both lateral stability to the door panels 62 during travel towards or away from the closed position and ensuring that the sweep at the bottom of the door maintains a predetermined position with respect to the floor 36 .
- the anti-sway trolley assemblies 2 are located about every 3 to about every 4 feet along the span of the door and more preferably about every 3.5 feet along the span of the door.
- the preferred embodiment uses a double sided partition.
- the panels 62 of the first partition side 90 are mounted to floating rod assemblies 6 as described above.
- the panels 62 of the second partitions side 92 are not mounted to floating rod assemblies 6 .
- the panels 62 of both partition sides 90 , 92 are hung by rollers 58 in track 82 outer channel ( FIG. 7 ) in known manner, for example, as described above.
- the panels 62 of the second partition side 92 ride “free” of the floating rod assemblies.
- the lead panel of both partition sides, 90 , 92 are attached to lead post 78 in conventional fashion to obtain operative movement of both partition sides 90 , 92 . It should be apparent that if a single sided partition is desired, free riding second partition side 92 is simply omitted.
- FIG. 10 exemplifies a hinged sliding partition within a door opening.
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Wing Frames And Configurations (AREA)
Abstract
Description
- This invention relates generally to sliding doors and in particular, to an anti-sway trolley assembly used with side folding accordion partitions.
- Side folding accordion partitions are used to provide space separation, often with the additional goal of providing one or more of security separation, sound control, and prevention of the spread of fire and smoke.
- Panels which form the partition are attached to ball bearing rollers which ride within a mounted overhead track. A lead panel is attached to a lead post which in turn is attached to a trolley having ball bearing rollers which also rides within the overhead track. A powered looped chain is attached to the trolley, thereby providing the mechanical action required to open and close the partition.
- When the partition is activated, the ball bearing rollers and lead post trolley roll in the overhead track causing the partitions to traverse open or closed. The partitions may or may not be slidably mounted to a floor channel. Partitions slidably mounted to a floor channel ensure that the partitions remain in the vertical thereby keeping the sweep at the bottom of the partition in contact with the floor. The floor channel provides lateral stability to the door curtain during travel towards or away from the closed position.
- However, certain applications require a contiguous floor surface, i.e., unbroken by a floor channel, for example, shop floors where a channel could interfere with rolling carts, or emergency egress lanes where a floor channel could create a tripping hazard. In those situations, door assemblies that do not mount the partitions to a floor channel are utilized. These partitions are prone to translating from the vertical, preventing the sweep at the bottom of the partition from maintaining a predetermined relationship to the floor, thereby, for example, allowing smoke to pass underneath the partition.
- Known designs do not prevent translation of the partition from the vertical when using folding accordion partitions without a floor channel. Accordingly, there is still a continuing need for improved sliding door design, and in particular, for maintaining partition verticality and sweep floor contact when using folding accordion partition designs without a floor channel. The present invention fulfills this need by presenting a novel anti-sway trolley assembly and further provides related advantages.
- The present invention provides at least one anti-sway trolley assembly used in conjunction with either a single sided partition set or preferably sandwiched between an inner and outer partition in a double sided partition set. The anti-sway trolley assembly comprises a floating rod assembly affixed at a first end to a trolley. Affixed at a rod assembly second end is a floor contact member which provides frictional resistance to lateral displacement of the door. Each anti-sway trolley assembly rides in a chain guide and is affixed to a partition hinge. In this manner, a floor channel is not required to achieve resistance to lateral displacement forces.
- The accompanying drawings are included to provide a further understanding of the present invention. These drawings are incorporated in and constitute a part of this specification, illustrate one or more embodiments of the present invention, and together with the description, serve to explain the principles of the present invention.
-
FIG. 1 is a side view of the sliding door of the present invention. -
FIG. 2 is a front view of a section of the sliding door of the present invention. -
FIG. 3 is a is a top view of an anti-sway trolley assembly, first partition side and second partition side. -
FIG. 4 is a cut-away perspective view of the anti-sway trolley. -
FIG. 5 is a cut-away perspective view of a partition/track arrangement. -
FIG. 6 is a cross sectional view of a lead post trolley engaged in a track. -
FIG. 7 is a cross sectional view of an anti-sway trolley assembly engaged in a chain guide. -
FIG. 8 is a perspective view showing a removed load section. -
FIG. 9 is a cut-away perspective view of a double sided partition set. -
FIG. 10 is a perspective view of a sliding partition within a door opening. - Other features and advantages of the present invention will be apparent from the following more detailed description of the preferred embodiments, taken in conjunction with the accompanying drawings which illustrate, by way of example, the principles of the invention.
- As required, detailed embodiments of the present invention are disclosed; however, it should be understood that the disclosed embodiments are merely exemplary of the invention that may be embodied in various forms. The figures are not necessarily to scale, and some features may be exaggerated to show details of particular components. Therefore, specific structural and functional details disclosed are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present invention.
- Turning now to
FIGS. 1-3 ,anti-sway trolley assembly 2 comprises anti-sway trolley 4,floating rod assembly 6 andbottom assembly 8. - Anti-sway trolley 4 comprises a plurality of
trolley rollers 44, preferably ball bearing rollers, which engagechain guide 46 atinner channel 68 as shown inFIG. 7 .Chain guide 46 andtrack 82 are mounted to a door opening.Trolley rollers 44 are mounted totrolley body 48 using, for example,bolt 24 andnut 26. A portion oftrolley body 48 is fabricated to receive floating rodfirst end 50. In a preferred embodiment, floating rod firstend receiving member 52 is affixed, for example, crimped, bolted or spot welded, totrolley body 48 to receive floating rodfirst end 50. - As shown in
FIG. 4 ,horizontal bearings 70 are mounted to underside oftrolley body 48 usingbolt 24 and nut 26 (FIG. 3 ).Horizontal bearings 70 are of sufficient diameter so as to extend beyond side oftrolley body 48 to engage side walls oftrack chain guide 46, thereby helping to center the anti-sway trolley assembly 4 withinchain guide 46. - Returning to
FIGS. 1 and 2 ,floating rod assembly 6 comprises downmember 10, preferably a hollow tube or bar. Floating rod assemblyfirst end 50 is received by floating rod assembly firstend receiving member 52, described above. In a preferred embodiment, floating rod assembly firstend receiving member 52 is, for example, a U shaped bracket. U shapedbracket receiving member 52 is affixed to floating rod assemblyfirst end 50 for example, with a press fit, weld, or one or more bolt and nut. - A plurality of hinges 60 (
FIG. 4 ) are mounted topanels 62. Eachpanel 62 is attached toroller 58 at its upper end.Rollers 58 alternate facing inward and outward to engage inner and outer walls of thetrack 82 outer channel (FIG. 7 ). At least onepanel 62, but preferably a plurality ofpanels 62, comprises a partition side. - At least one, preferably a plurality of orifices 17, are positioned along the length of
floating rod assembly 6 and hinge 60 to receive aconnector 14, for example, abolt 72 andacorn nut 74, to connectfloating rod assembly 6 to hinge 60 of afirst partitions side 90. (FIG. 3 ) Preferably, theconnectors 14 are spaced about every four feet. - Floating rod assembly
second end 54 adjustably receivesbottom assembly 8. In a preferred embodiment, lower floating rod assemblyfirst member 30 is slidably received by floating rodsecond end 54. Floating rodsecond end 54 containsorifices 12 to lock lower floating rod assemblyfirst member 30 intoposition using fastener 64 to maintain the lower floating rod assembly first member 30-floating rod assemblysecond end 54 relationship. -
Bottom assembly 8 is adjustably attached to lower floating rod assemblyfirst member 30 so as to urgefloor contact member 34 to remain in contact with thefloor 36 thereby providing frictional lateral displacement resistance. In a preferred embodiment, spring 38 is loaded by lower floating rod assemblyfirst member 30 andfloor contact member 34 is a caster 40. While the preferred embodiment utilizes a caster 40, it should be appreciated that any floor contact member resistant to lateral displacement is acceptable, for example, a ribbed pad wherein the ribs are parallel to the partition sliding direction. - Turning to
FIGS. 5 , 6, 8, 9 and 10, doorlead trolley assembly 100 rides withintrack 82 and chain guide 46 mounted to a door opening in conventional manner. Doorlead trolley assembly 100 receives lead post 78 (FIG. 9 ). -
Track 82 and striker 84 (FIG. 8 ) are mounted in conventional manner. Utilizing known removed track and chain guide load section, doorlead trolley assembly 100, anti-sway trolley assembly andpanels 62 are translationally engaged intotrack 82 andchain guide 46.Panels 62 are mounted to leadpost 78 in conventional manner. Floatingrod assembly 6 is translationally engaged intochain guide 46 as described above. Known removed load section,track 96, and chain guide 97 also allows for ease of removal of component parts as necessary for servicing. Removable load section technology is well known and will not be described in further detail. - Referring to
FIG. 5 ,chain pulley 86 is mounted withinchain guide 46 in conventional manner. Chain is thereafter looped aroundchain pulley 86 and conventional power sprocket (not shown) remotely located fromchain pulley 86 and attached to doorlead trolley assembly 100 in conventional manner. - The
floor contact member 34 maintains continuous predetermined tension against the floor. In a preferred embodiment, as the door is activated, theanti-sway trolley assembly 2 rolls in thechain guide 46 with the spring 38 loadedcaster 34 continually urged in contact with thefloor 36, thereby providing both lateral stability to thedoor panels 62 during travel towards or away from the closed position and ensuring that the sweep at the bottom of the door maintains a predetermined position with respect to thefloor 36. - Preferably, the
anti-sway trolley assemblies 2 are located about every 3 to about every 4 feet along the span of the door and more preferably about every 3.5 feet along the span of the door. - The preferred embodiment uses a double sided partition. As exemplified in
FIG. 3 , thepanels 62 of thefirst partition side 90 are mounted to floatingrod assemblies 6 as described above. Thepanels 62 of thesecond partitions side 92 are not mounted to floatingrod assemblies 6. Thepanels 62 of bothpartition sides rollers 58 intrack 82 outer channel (FIG. 7 ) in known manner, for example, as described above. Thepanels 62 of thesecond partition side 92 ride “free” of the floating rod assemblies. The lead panel of both partition sides, 90, 92 are attached to leadpost 78 in conventional fashion to obtain operative movement of bothpartition sides second partition side 92 is simply omitted. -
FIG. 10 exemplifies a hinged sliding partition within a door opening. - Although the present invention has been described in connection with specific examples and embodiments, those skilled in the art will recognize that the present invention is capable of other variations and modifications within its scope. These examples and embodiments are intended as typical of, rather than in any way limiting on, the scope of the present invention as presented in the appended claims.
Claims (20)
Priority Applications (1)
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US12/476,510 US8496038B2 (en) | 2008-09-03 | 2009-06-02 | Sliding door with anti-sway trolley assembly |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US12/203,718 US8127494B2 (en) | 2008-09-03 | 2008-09-03 | Self adjusting track chain adjustment trolley |
US12/476,510 US8496038B2 (en) | 2008-09-03 | 2009-06-02 | Sliding door with anti-sway trolley assembly |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US12/203,718 Continuation-In-Part US8127494B2 (en) | 2008-09-03 | 2008-09-03 | Self adjusting track chain adjustment trolley |
Publications (3)
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US20100299871A1 true US20100299871A1 (en) | 2010-12-02 |
US20120240352A9 US20120240352A9 (en) | 2012-09-27 |
US8496038B2 US8496038B2 (en) | 2013-07-30 |
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US12/476,510 Active 2030-12-06 US8496038B2 (en) | 2008-09-03 | 2009-06-02 | Sliding door with anti-sway trolley assembly |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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US20110093095A1 (en) * | 2007-04-27 | 2011-04-21 | Won-Door Corporation | Method, apparatus and system for controlling a movable partition |
US20110186249A1 (en) * | 2007-01-11 | 2011-08-04 | Won-Door Corporation | Methods of displacing movable partitions including a lateral restraint |
US20120304541A1 (en) * | 2011-05-31 | 2012-12-06 | Won-Door Corporation | Methods, apparatuses, and systems for controlling lateral displacement of a movable partition |
US8479798B2 (en) | 2006-11-03 | 2013-07-09 | Won-Door Corporation | Lateral restraint assemblies and movable partitions including lateral restraint devices |
US20150033642A1 (en) * | 2013-08-01 | 2015-02-05 | Urbaneer LLC | Apparatus and method for reconfigurable space |
US9074420B2 (en) | 2011-05-31 | 2015-07-07 | Won-Door Corporation | Methods, apparatuses, and systems for resisting lateral displacement of movable partitions |
US20160069124A1 (en) * | 2014-09-08 | 2016-03-10 | Clean Energy Fuels Corp. | Natural gas vehicle maintenance separation and containment system |
US10822863B2 (en) | 2018-05-02 | 2020-11-03 | Pella Corporation | Sliding fenestration unit with coplanar panels |
US11286709B2 (en) | 2019-11-06 | 2022-03-29 | Pella Corporation | Coplanar bi-fold and sliding door |
US20220154506A1 (en) * | 2020-11-17 | 2022-05-19 | Won-Door Corporation | Leading end assemblies for movable partitions having an articulated lead member, and related systems and methods |
US11920403B2 (en) | 2019-01-09 | 2024-03-05 | Pella Corporation | Sliding and pivot fenestration unit |
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FR2958141B1 (en) * | 2010-03-31 | 2012-08-03 | Somfy Sas | TRAINING TROLLEY FOR SLIDING CURTAIN |
EP2740870B1 (en) * | 2012-12-05 | 2021-07-14 | Hawa Sliding Solutions AG | Guide device for sliding and rotatable partition elements and functional unit |
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